[Format] Remove unused includes (NFC) (#142296)

These are identified by misc-include-cleaner.  I've filtered out those
that break builds.  Also, I'm staying away from llvm-config.h,
config.h, and Compiler.h, which likely cause platform- or
compiler-specific build failures.

clang/lib/Format/DefinitionBlockSeparator.cpp

@@ -14,7 +14,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "DefinitionBlockSeparator.h"
-#include "llvm/Support/Debug.h"
 #define DEBUG_TYPE "definition-block-separator"
 
 namespace clang {

clang/lib/Format/FormatToken.cpp

@@ -15,7 +15,6 @@
 #include "FormatToken.h"
 #include "ContinuationIndenter.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/Support/Debug.h"
 #include <climits>
 
 namespace clang {

clang/lib/Format/MacroExpander.cpp

@@ -20,10 +20,7 @@
 #include "clang/Basic/TokenKinds.h"
 #include "clang/Format/Format.h"
 #include "clang/Lex/HeaderSearch.h"
-#include "clang/Lex/HeaderSearchOptions.h"
 #include "clang/Lex/Lexer.h"
-#include "clang/Lex/ModuleLoader.h"
-#include "clang/Lex/Preprocessor.h"
 #include "clang/Lex/PreprocessorOptions.h"
 #include "llvm/ADT/StringSet.h"
 #include "llvm/Support/ErrorHandling.h"

clang/lib/Format/ObjCPropertyAttributeOrderFixer.cpp

@@ -15,8 +15,6 @@
 
 #include "ObjCPropertyAttributeOrderFixer.h"
 
-#include <algorithm>
-
 namespace clang {
 namespace format {
 

clang/lib/Format/QualifierAlignmentFixer.cpp

@@ -17,9 +17,6 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Regex.h"
 
-#include <algorithm>
-#include <optional>
-
 #define DEBUG_TYPE "format-qualifier-alignment-fixer"
 
 namespace clang {

clang/lib/Format/SortJavaScriptImports.cpp

@@ -15,7 +15,6 @@
 #include "TokenAnalyzer.h"
 #include "TokenAnnotator.h"
 #include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/LLVM.h"
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Basic/SourceManager.h"
@@ -24,7 +23,6 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/Debug.h"
-#include <algorithm>
 #include <string>
 
 #define DEBUG_TYPE "format-formatter"

clang/lib/Format/TokenAnalyzer.cpp

@@ -22,13 +22,10 @@
 #include "UnwrappedLineParser.h"
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Basic/FileManager.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Format/Format.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/Debug.h"
-#include <type_traits>
 
 #define DEBUG_TYPE "format-formatter"
 

clang/lib/Format/TokenAnnotator.cpp

@@ -14,7 +14,6 @@
 
 #include "TokenAnnotator.h"
 #include "FormatToken.h"
-#include "clang/Basic/SourceManager.h"
 #include "clang/Basic/TokenKinds.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/Debug.h"

clang/lib/Format/UnwrappedLineParser.cpp

@@ -14,7 +14,6 @@
 
 #include "UnwrappedLineParser.h"
 #include "FormatToken.h"
-#include "FormatTokenLexer.h"
 #include "FormatTokenSource.h"
 #include "Macros.h"
 #include "TokenAnnotator.h"
@@ -25,7 +24,6 @@
 #include "llvm/Support/raw_os_ostream.h"
 #include "llvm/Support/raw_ostream.h"
 
-#include <algorithm>
 #include <utility>
 
 #define DEBUG_TYPE "format-parser"